diff --git a/end_to_end_tests/golden-record/my_test_api_client/client.py b/end_to_end_tests/golden-record/my_test_api_client/client.py
index e80446f10..9b01a2795 100644
--- a/end_to_end_tests/golden-record/my_test_api_client/client.py
+++ b/end_to_end_tests/golden-record/my_test_api_client/client.py
@@ -1,4 +1,5 @@
 import ssl
+import urllib.parse
 from typing import Any, Optional, Union
 
 import httpx
@@ -266,3 +267,27 @@ async def __aenter__(self) -> "AuthenticatedClient":
     async def __aexit__(self, *args: Any, **kwargs: Any) -> None:
         """Exit a context manager for underlying httpx.AsyncClient (see httpx docs)"""
         await self.get_async_httpx_client().__aexit__(*args, **kwargs)
+
+
+def replace_client_path(client: Client, base_path: str) -> Client:
+    """Override a client's base URL with a new path. Does not update scheme, host, or other URL parts."""
+    parsed = urllib.parse.urlparse(client._base_url)
+    # _replace is not private, it's part of the NamedTuple API but prefixed _ to avoid conflicts
+    updated_url = parsed._replace(path=base_path)
+    client._base_url = updated_url.geturl()
+    return client
+
+
+def v3_stable_client(client: Client) -> Client:
+    """Override a client's base URL with a v2 stable path."""
+    return replace_client_path(client, "api/v3-draft")
+
+
+def v3_alpha_client(client: Client) -> Client:
+    """Override a client's base URL with a v2-alpha path."""
+    return replace_client_path(client, "api/v3-alpha")
+
+
+def v3_beta_client(client: Client) -> Client:
+    """Override a client's base URL with a v2-beta path."""
+    return replace_client_path(client, "api/v3-beta")
diff --git a/end_to_end_tests/literal-enums-golden-record/my_enum_api_client/client.py b/end_to_end_tests/literal-enums-golden-record/my_enum_api_client/client.py
index e80446f10..9b01a2795 100644
--- a/end_to_end_tests/literal-enums-golden-record/my_enum_api_client/client.py
+++ b/end_to_end_tests/literal-enums-golden-record/my_enum_api_client/client.py
@@ -1,4 +1,5 @@
 import ssl
+import urllib.parse
 from typing import Any, Optional, Union
 
 import httpx
@@ -266,3 +267,27 @@ async def __aenter__(self) -> "AuthenticatedClient":
     async def __aexit__(self, *args: Any, **kwargs: Any) -> None:
         """Exit a context manager for underlying httpx.AsyncClient (see httpx docs)"""
         await self.get_async_httpx_client().__aexit__(*args, **kwargs)
+
+
+def replace_client_path(client: Client, base_path: str) -> Client:
+    """Override a client's base URL with a new path. Does not update scheme, host, or other URL parts."""
+    parsed = urllib.parse.urlparse(client._base_url)
+    # _replace is not private, it's part of the NamedTuple API but prefixed _ to avoid conflicts
+    updated_url = parsed._replace(path=base_path)
+    client._base_url = updated_url.geturl()
+    return client
+
+
+def v3_stable_client(client: Client) -> Client:
+    """Override a client's base URL with a v2 stable path."""
+    return replace_client_path(client, "api/v3-draft")
+
+
+def v3_alpha_client(client: Client) -> Client:
+    """Override a client's base URL with a v2-alpha path."""
+    return replace_client_path(client, "api/v3-alpha")
+
+
+def v3_beta_client(client: Client) -> Client:
+    """Override a client's base URL with a v2-beta path."""
+    return replace_client_path(client, "api/v3-beta")
diff --git a/end_to_end_tests/test-3-1-golden-record/test_3_1_features_client/client.py b/end_to_end_tests/test-3-1-golden-record/test_3_1_features_client/client.py
index e80446f10..9b01a2795 100644
--- a/end_to_end_tests/test-3-1-golden-record/test_3_1_features_client/client.py
+++ b/end_to_end_tests/test-3-1-golden-record/test_3_1_features_client/client.py
@@ -1,4 +1,5 @@
 import ssl
+import urllib.parse
 from typing import Any, Optional, Union
 
 import httpx
@@ -266,3 +267,27 @@ async def __aenter__(self) -> "AuthenticatedClient":
     async def __aexit__(self, *args: Any, **kwargs: Any) -> None:
         """Exit a context manager for underlying httpx.AsyncClient (see httpx docs)"""
         await self.get_async_httpx_client().__aexit__(*args, **kwargs)
+
+
+def replace_client_path(client: Client, base_path: str) -> Client:
+    """Override a client's base URL with a new path. Does not update scheme, host, or other URL parts."""
+    parsed = urllib.parse.urlparse(client._base_url)
+    # _replace is not private, it's part of the NamedTuple API but prefixed _ to avoid conflicts
+    updated_url = parsed._replace(path=base_path)
+    client._base_url = updated_url.geturl()
+    return client
+
+
+def v3_stable_client(client: Client) -> Client:
+    """Override a client's base URL with a v2 stable path."""
+    return replace_client_path(client, "api/v3-draft")
+
+
+def v3_alpha_client(client: Client) -> Client:
+    """Override a client's base URL with a v2-alpha path."""
+    return replace_client_path(client, "api/v3-alpha")
+
+
+def v3_beta_client(client: Client) -> Client:
+    """Override a client's base URL with a v2-beta path."""
+    return replace_client_path(client, "api/v3-beta")
diff --git a/integration-tests/integration_tests/client.py b/integration-tests/integration_tests/client.py
index e80446f10..9b01a2795 100644
--- a/integration-tests/integration_tests/client.py
+++ b/integration-tests/integration_tests/client.py
@@ -1,4 +1,5 @@
 import ssl
+import urllib.parse
 from typing import Any, Optional, Union
 
 import httpx
@@ -266,3 +267,27 @@ async def __aenter__(self) -> "AuthenticatedClient":
     async def __aexit__(self, *args: Any, **kwargs: Any) -> None:
         """Exit a context manager for underlying httpx.AsyncClient (see httpx docs)"""
         await self.get_async_httpx_client().__aexit__(*args, **kwargs)
+
+
+def replace_client_path(client: Client, base_path: str) -> Client:
+    """Override a client's base URL with a new path. Does not update scheme, host, or other URL parts."""
+    parsed = urllib.parse.urlparse(client._base_url)
+    # _replace is not private, it's part of the NamedTuple API but prefixed _ to avoid conflicts
+    updated_url = parsed._replace(path=base_path)
+    client._base_url = updated_url.geturl()
+    return client
+
+
+def v3_stable_client(client: Client) -> Client:
+    """Override a client's base URL with a v2 stable path."""
+    return replace_client_path(client, "api/v3-draft")
+
+
+def v3_alpha_client(client: Client) -> Client:
+    """Override a client's base URL with a v2-alpha path."""
+    return replace_client_path(client, "api/v3-alpha")
+
+
+def v3_beta_client(client: Client) -> Client:
+    """Override a client's base URL with a v2-beta path."""
+    return replace_client_path(client, "api/v3-beta")
diff --git a/openapi_python_client/templates/client.py.jinja b/openapi_python_client/templates/client.py.jinja
index cf0301a9a..3a0df0a7b 100644
--- a/openapi_python_client/templates/client.py.jinja
+++ b/openapi_python_client/templates/client.py.jinja
@@ -1,4 +1,5 @@
 import ssl
+import urllib.parse
 from typing import Any, Union, Optional
 
 from attrs import define, field, evolve
@@ -189,3 +190,26 @@ class AuthenticatedClient:
 
 {{ builders("AuthenticatedClient") }}
 {{ httpx_stuff("AuthenticatedClient", "self._headers[self.auth_header_name] = f\"{self.prefix} {self.token}\" if self.prefix else self.token") }}
+
+def replace_client_path(client: Client, base_path: str) -> Client:
+    """Override a client's base URL with a new path. Does not update scheme, host, or other URL parts."""
+    parsed = urllib.parse.urlparse(client._base_url)
+    # _replace is not private, it's part of the NamedTuple API but prefixed _ to avoid conflicts
+    updated_url = parsed._replace(path=base_path)
+    client._base_url = updated_url.geturl()
+    return client
+
+
+def v3_stable_client(client: Client) -> Client:
+    """Override a client's base URL with a v2 stable path."""
+    return replace_client_path(client, "api/v3-draft")
+
+
+def v3_alpha_client(client: Client) -> Client:
+    """Override a client's base URL with a v2-alpha path."""
+    return replace_client_path(client, "api/v3-alpha")
+
+
+def v3_beta_client(client: Client) -> Client:
+    """Override a client's base URL with a v2-beta path."""
+    return replace_client_path(client, "api/v3-beta")